/* bzflag
 * Copyright (c) 1993-2020 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/* EighthDimShellNode:
 *  Wraps a normal SceneNode within an inverted-view environment.
 */

#ifndef BZF_EIGHTH_DIM_SHELL_NODE_H
#define BZF_EIGHTH_DIM_SHELL_NODE_H

// Inherits from
#include "SceneNode.h"

// Common headers
#include "OpenGLGState.h"

class EighthDimShellNode : public SceneNode
{
public:
    EighthDimShellNode(SceneNode *sceneNode, bool ownTheNode);
    ~EighthDimShellNode();

    bool cull(const ViewFrustum&) const;
    void addRenderNodes(SceneRenderer&);
    void notifyStyleChange();

protected:
    class ShellRenderNode : public RenderNode
    {
    public:
        ShellRenderNode(RenderNode *renderNode,
                        const OpenGLGState* gstate);
        ~ShellRenderNode();
        void render();
        void renderShadow()
        {
            return;
        }
        const glm::vec3 getPosition() const override;
    public:
        const OpenGLGState* getGState() const;
    private:
        OpenGLGState gstate;
        RenderNode* renderNode;
    };

private:
    void makeNodes();
    void killNodes();

private:
    bool ownTheNode;
    SceneNode* sceneNode;

    int shellNodeCount;
    ShellRenderNode** shellNodes;
};

#endif // BZF_EIGHTH_DIM_SHELL_NODE_H

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